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steelers2147
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Homework Statement
Complete the proof by using the Fundamental Theorem of Calculus TWICE to establish
[tex] \int_c^d(\int_a^b f _{x}(x,y)dx)dy=...=\int_a^b(\int_{c}^{d}f_{x}(x,y) dy)dx [/tex]
Homework Equations
I know that the FTC states that if g(x)=\int_a^x(f), then g'=f
The Attempt at a Solution
I'm not sure how to use this fact to get the proof started. Any guidance would be appreciated.
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